Riat Grinder is manufactures Duplex Surface Grinding Machine. Riat Grinder offers a wide range of equipments for the machine tools industry. Duplex Surface Grinding Machine is designed for surface grinding of opposite and parallel surfaces to close limits of accuracy. The machine is suitable for size parallelism, uniformity and high rates of production. The grinding of two opposite surfaces in one operation is accomplished by passing the component between the faces of parallel abrasive discs.